Arithmetic instructional apparatus



FIG. 1 is a plan view of an arithmetic instructional device showing mynew design;

FIG. 2 is a side view of the arithmetic instructional device of FIG. 1;and,

FIG. 3 is a bottom view of the arithmetic instructional device of FIG.1.

The FIG. 1 view has been shaded to indicate color.

The ornamemtal design for an arithmetic instructional apparatus, asshown and described.